#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>

int main(){
	int file_desc;
	int save_errno;
	file_desc = open("/tmp/LCK.test",O_RDWR | O_CREAT | O_EXCL, 0444);
	if(file_desc == -1)
	{
		save_errno = errno;
		printf("Open failed with error",save_errno);
	}else{
		printf("Open succeeded\n");
	}
	exit(EXIT_SUCCESS);
}

